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From "Gawain Hammond" <gawain.hamm...@192.com>
Subject ajax validation issue
Date Tue, 09 Sep 2008 17:39:10 GMT
 

I've started using struts 2.1.2 as I was having some issues after
enabling client side javascript validation on forms (some page requests
hang, and clicking back takes you to the page you're supposed to be on).

 

I decided to use client side validation to avoid the problems of
populating form elements after validation fails (I'm using the action
tag to populate select drop-downs which I can't get to work after
validation errors return the page to the form).

 

Since moving to struts 2.1.2, I can't get client side validation to work
properly (some rules are skipped, but are then validated if the form
submits), and it only triggers after clicking the submit button (rather
than from the onblur event as in 2.0.11.x).

 

So I decided to try the ajax validation (seen on this page):

 

http://struts.apache.org/2.1.2/docs/ajax-validation.html

 

I've nearly done it, but now when I press submit I just get a browser
download of the json error fields, like so:

 

---

/* { "fieldErrors": {"daoDto.name":["Name must be in the format:
[A-Za-z0-9-_]*"],"daoDto.settings":["You must enter a value for
Settings"]}} */

--- 

 

 

I've scoured over the tutorial for what I might have done wrong, and I'm
not too hot with javascript, so I'm left a little confused.

 

I notice the jsp in the tutorial has an <s:url id="url"
namespace="/validation"../> tag which doesn't get used. Is there
supposed to be a different action for the ajax request than for the form
submission? 

 

I've set a hidden field in the form to set
struts.enableJSONValidation=true. Where else would I put this? I take it
this is making the submit to the action return the plain text json
notation?

 

 

Any Ideas?
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